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function test244
%TEST244 test reshape
% SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2022, All Rights Reserved.
% SPDX-License-Identifier: Apache-2.0
rng ('default')
[~, ~, ~, types, ~, ~] = GB_spec_opsall ;
types = types.all ;
for k1 = 1:length(types)
type = types {k1} ;
fprintf ('\n%-14s ', type) ;
for m = [1 2 6] % 1:6
for n = [1 2 6] % 1:6
mn = m*n ;
f = factor (mn) ;
for d = [0.3 inf]
A = GB_spec_random (m, n, d, 99, type) ;
fprintf ('.') ;
for sparsity = [1 2 4 8]
A.sparsity = sparsity ;
for is_csc = [0 1]
A.is_csc = is_csc ;
for iso = [false true]
A.iso = iso ;
for k = 1:length (f)
S = nchoosek (f, k) ;
for i = 1:size(S,1)
m2 = prod (S (i,:)) ;
n2 = mn / m2 ;
% reshape by column
C1 = A ;
x = 1 ;
if (iso)
[i,j,x] = find (C1.matrix, 1,'first') ;
C1.matrix (C1.pattern) = x ;
end
C1.matrix = reshape (C1.matrix, m2, n2) ;
C1.pattern = reshape (C1.pattern, m2, n2) ;
for inplace = [false true]
C2 = GB_mex_reshape (A, m2, n2, ...
true, inplace) ;
GB_spec_compare (C1, C2, 0) ;
end
% reshape by row
C1 = A ;
if (iso)
C1.matrix (C1.pattern) = x ;
end
C1.matrix = reshape (C1.matrix', n2, m2)' ;
C1.pattern = reshape (C1.pattern', n2, m2)';
for inplace = [false true]
C2 = GB_mex_reshape (A, m2, n2, ...
false, inplace) ;
GB_spec_compare (C1, C2, 0) ;
end
end
end
end
end
end
end
end
end
end
fprintf ('\ntest244: all tests passed\n') ;
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